--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/html/HTMLElement.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,958 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "HTMLElement.h"
+
+#include "CSSPropertyNames.h"
+#include "CSSValueKeywords.h"
+#include "DocumentFragment.h"
+#include "Event.h"
+#include "EventListener.h"
+#include "EventNames.h"
+#include "ExceptionCode.h"
+#include "Frame.h"
+#include "HTMLBRElement.h"
+#include "HTMLDocument.h"
+#include "HTMLElementFactory.h"
+#include "HTMLFormElement.h"
+#include "HTMLNames.h"
+#include "HTMLTokenizer.h"
+#include "RenderWordBreak.h"
+#include "Settings.h"
+#include "Text.h"
+#include "TextIterator.h"
+#include "XMLTokenizer.h"
+#include "markup.h"
+
+#if PLATFORM(SYMBIAN)
+#include "Page.h"
+#include "Chrome.h"
+#endif
+namespace WebCore {
+
+using namespace EventNames;
+using namespace HTMLNames;
+
+using std::min;
+using std::max;
+
+HTMLElement::HTMLElement(const QualifiedName& tagName, Document *doc)
+ : StyledElement(tagName, doc)
+{
+}
+
+HTMLElement::~HTMLElement()
+{
+}
+
+String HTMLElement::nodeName() const
+{
+ // FIXME: Would be nice to have an atomicstring lookup based off uppercase chars that does not have to copy
+ // the string on a hit in the hash.
+ if (document()->isHTMLDocument())
+ return tagQName().localName().impl()->upper();
+ return Element::nodeName();
+}
+
+HTMLTagStatus HTMLElement::endTagRequirement() const
+{
+ if (hasLocalName(wbrTag))
+ return TagStatusForbidden;
+ if (hasLocalName(dtTag) || hasLocalName(ddTag))
+ return TagStatusOptional;
+
+ // Same values as <span>. This way custom tag name elements will behave like inline spans.
+ return TagStatusRequired;
+}
+
+int HTMLElement::tagPriority() const
+{
+ if (hasLocalName(wbrTag))
+ return 0;
+ if (hasLocalName(addressTag) || hasLocalName(ddTag) || hasLocalName(dtTag) || hasLocalName(noscriptTag))
+ return 3;
+ if (hasLocalName(centerTag) || hasLocalName(nobrTag))
+ return 5;
+ if (hasLocalName(noembedTag) || hasLocalName(noframesTag))
+ return 10;
+
+ // Same values as <span>. This way custom tag name elements will behave like inline spans.
+ return 1;
+}
+
+PassRefPtr<Node> HTMLElement::cloneNode(bool deep)
+{
+ RefPtr<HTMLElement> clone = HTMLElementFactory::createHTMLElement(tagQName().localName(), document(), 0, false);
+ if (!clone)
+ return 0;
+
+ if (namedAttrMap)
+ *clone->attributes() = *namedAttrMap;
+
+ clone->copyNonAttributeProperties(this);
+
+ if (deep)
+ cloneChildNodes(clone.get());
+
+ return clone.release();
+}
+
+bool HTMLElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+ if (attrName == alignAttr ||
+ attrName == contenteditableAttr) {
+ result = eUniversal;
+ return false;
+ }
+ if (attrName == dirAttr) {
+ result = hasLocalName(bdoTag) ? eBDO : eUniversal;
+ return false;
+ }
+
+ return StyledElement::mapToEntry(attrName, result);
+}
+
+void HTMLElement::parseMappedAttribute(MappedAttribute *attr)
+{
+ if (attr->name() == idAttr || attr->name() == classAttr || attr->name() == styleAttr)
+ return StyledElement::parseMappedAttribute(attr);
+
+ String indexstring;
+ if (attr->name() == alignAttr) {
+ if (equalIgnoringCase(attr->value(), "middle"))
+ addCSSProperty(attr, CSS_PROP_TEXT_ALIGN, "center");
+ else
+ addCSSProperty(attr, CSS_PROP_TEXT_ALIGN, attr->value());
+ } else if (attr->name() == contenteditableAttr) {
+ setContentEditable(attr);
+ } else if (attr->name() == tabindexAttr) {
+ indexstring = getAttribute(tabindexAttr);
+ if (indexstring.length())
+ // Clamp tabindex to the range of 'short' to match Firefox's behavior.
+ setTabIndex(max(static_cast<int>(std::numeric_limits<short>::min()), min(indexstring.toInt(), static_cast<int>(std::numeric_limits<short>::max()))));
+ } else if (attr->name() == langAttr) {
+ // FIXME: Implement
+ } else if (attr->name() == dirAttr) {
+ addCSSProperty(attr, CSS_PROP_DIRECTION, attr->value());
+ addCSSProperty(attr, CSS_PROP_UNICODE_BIDI, hasLocalName(bdoTag) ? CSS_VAL_BIDI_OVERRIDE : CSS_VAL_EMBED);
+ }
+// standard events
+ else if (attr->name() == onclickAttr) {
+ setHTMLEventListener(clickEvent, attr);
+ } else if (attr->name() == oncontextmenuAttr) {
+ setHTMLEventListener(contextmenuEvent, attr);
+ } else if (attr->name() == ondblclickAttr) {
+ setHTMLEventListener(dblclickEvent, attr);
+ } else if (attr->name() == onmousedownAttr) {
+ setHTMLEventListener(mousedownEvent, attr);
+ } else if (attr->name() == onmousemoveAttr) {
+ setHTMLEventListener(mousemoveEvent, attr);
+ } else if (attr->name() == onmouseoutAttr) {
+ setHTMLEventListener(mouseoutEvent, attr);
+ } else if (attr->name() == onmouseoverAttr) {
+ setHTMLEventListener(mouseoverEvent, attr);
+ } else if (attr->name() == onmouseupAttr) {
+ setHTMLEventListener(mouseupEvent, attr);
+ } else if (attr->name() == onmousewheelAttr) {
+ setHTMLEventListener(mousewheelEvent, attr);
+ } else if (attr->name() == onfocusAttr) {
+ setHTMLEventListener(focusEvent, attr);
+ } else if (attr->name() == onblurAttr) {
+ setHTMLEventListener(blurEvent, attr);
+ } else if (attr->name() == onkeydownAttr) {
+ setHTMLEventListener(keydownEvent, attr);
+ } else if (attr->name() == onkeypressAttr) {
+ setHTMLEventListener(keypressEvent, attr);
+ } else if (attr->name() == onkeyupAttr) {
+ setHTMLEventListener(keyupEvent, attr);
+ } else if (attr->name() == onscrollAttr) {
+ setHTMLEventListener(scrollEvent, attr);
+ } else if (attr->name() == onbeforecutAttr) {
+ setHTMLEventListener(beforecutEvent, attr);
+ } else if (attr->name() == oncutAttr) {
+ setHTMLEventListener(cutEvent, attr);
+ } else if (attr->name() == onbeforecopyAttr) {
+ setHTMLEventListener(beforecopyEvent, attr);
+ } else if (attr->name() == oncopyAttr) {
+ setHTMLEventListener(copyEvent, attr);
+ } else if (attr->name() == onbeforepasteAttr) {
+ setHTMLEventListener(beforepasteEvent, attr);
+ } else if (attr->name() == onpasteAttr) {
+ setHTMLEventListener(pasteEvent, attr);
+ } else if (attr->name() == ondragenterAttr) {
+ setHTMLEventListener(dragenterEvent, attr);
+ } else if (attr->name() == ondragoverAttr) {
+ setHTMLEventListener(dragoverEvent, attr);
+ } else if (attr->name() == ondragleaveAttr) {
+ setHTMLEventListener(dragleaveEvent, attr);
+ } else if (attr->name() == ondropAttr) {
+ setHTMLEventListener(dropEvent, attr);
+ } else if (attr->name() == ondragstartAttr) {
+ setHTMLEventListener(dragstartEvent, attr);
+ } else if (attr->name() == ondragAttr) {
+ setHTMLEventListener(dragEvent, attr);
+ } else if (attr->name() == ondragendAttr) {
+ setHTMLEventListener(dragendEvent, attr);
+ } else if (attr->name() == onselectstartAttr) {
+ setHTMLEventListener(selectstartEvent, attr);
+ } else if (attr->name() == onsubmitAttr) {
+ setHTMLEventListener(submitEvent, attr);
+ } else if (attr->name() == onerrorAttr) {
+ setHTMLEventListener(errorEvent, attr);
+ }
+}
+
+String HTMLElement::innerHTML() const
+{
+ return createMarkup(this, ChildrenOnly);
+}
+
+String HTMLElement::outerHTML() const
+{
+ return createMarkup(this);
+}
+
+PassRefPtr<DocumentFragment> HTMLElement::createContextualFragment(const String &html)
+{
+ // the following is in accordance with the definition as used by IE
+ if (endTagRequirement() == TagStatusForbidden)
+ return 0;
+
+ if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
+ hasLocalName(headTag) || hasLocalName(styleTag) || hasLocalName(titleTag))
+ return 0;
+
+ RefPtr<DocumentFragment> fragment = new DocumentFragment(document());
+
+ if (document()->isHTMLDocument())
+ parseHTMLDocumentFragment(html, fragment.get());
+ else {
+ if (!parseXMLDocumentFragment(html, fragment.get(), this))
+ // FIXME: We should propagate a syntax error exception out here.
+ return 0;
+ }
+
+ // Exceptions are ignored because none ought to happen here.
+ int ignoredExceptionCode;
+
+ // we need to pop <html> and <body> elements and remove <head> to
+ // accommodate folks passing complete HTML documents to make the
+ // child of an element.
+
+ RefPtr<Node> nextNode;
+ for (RefPtr<Node> node = fragment->firstChild(); node; node = nextNode) {
+ nextNode = node->nextSibling();
+ if (node->hasTagName(htmlTag) || node->hasTagName(bodyTag)) {
+ Node *firstChild = node->firstChild();
+ if (firstChild)
+ nextNode = firstChild;
+ RefPtr<Node> nextChild;
+ for (RefPtr<Node> child = firstChild; child; child = nextChild) {
+ nextChild = child->nextSibling();
+ node->removeChild(child.get(), ignoredExceptionCode);
+ ASSERT(!ignoredExceptionCode);
+ fragment->insertBefore(child, node.get(), ignoredExceptionCode);
+ ASSERT(!ignoredExceptionCode);
+ }
+ fragment->removeChild(node.get(), ignoredExceptionCode);
+ ASSERT(!ignoredExceptionCode);
+ } else if (node->hasTagName(headTag)) {
+ fragment->removeChild(node.get(), ignoredExceptionCode);
+ ASSERT(!ignoredExceptionCode);
+ }
+ }
+
+ return fragment.release();
+}
+
+static inline bool hasOneChild(ContainerNode* node)
+{
+ Node* firstChild = node->firstChild();
+ return firstChild && !firstChild->nextSibling();
+}
+
+static inline bool hasOneTextChild(ContainerNode* node)
+{
+ return hasOneChild(node) && node->firstChild()->isTextNode();
+}
+
+static void replaceChildrenWithFragment(HTMLElement* element, PassRefPtr<DocumentFragment> fragment, ExceptionCode& ec)
+{
+ if (!fragment->firstChild()) {
+ element->removeChildren();
+ return;
+ }
+
+ if (hasOneTextChild(element) && hasOneTextChild(fragment.get())) {
+ static_cast<Text*>(element->firstChild())->setData(static_cast<Text*>(fragment->firstChild())->string(), ec);
+ return;
+ }
+
+ if (hasOneChild(element)) {
+ element->replaceChild(fragment, element->firstChild(), ec);
+ return;
+ }
+
+ #if PLATFORM(SYMBIAN)
+ element->document()->page()->chrome()->setElementVisibilityChanged(true);
+ #endif
+ element->removeChildren();
+ element->appendChild(fragment, ec);
+
+}
+
+static void replaceChildrenWithText(HTMLElement* element, const String& text, ExceptionCode& ec)
+{
+ if (hasOneTextChild(element)) {
+ static_cast<Text*>(element->firstChild())->setData(text, ec);
+ return;
+ }
+
+ RefPtr<Text> textNode = new Text(element->document(), text);
+
+ if (hasOneChild(element)) {
+ element->replaceChild(textNode.release(), element->firstChild(), ec);
+ return;
+ }
+ #if PLATFORM(SYMBIAN)
+ element->document()->page()->chrome()->setElementVisibilityChanged(true);
+ #endif
+
+ element->removeChildren();
+ element->appendChild(textNode.release(), ec);
+
+}
+
+void HTMLElement::setInnerHTML(const String& html, ExceptionCode& ec)
+{
+ RefPtr<DocumentFragment> fragment = createContextualFragment(html);
+ if (!fragment) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+
+ replaceChildrenWithFragment(this, fragment.release(), ec);
+}
+
+void HTMLElement::setOuterHTML(const String& html, ExceptionCode& ec)
+{
+ Node* p = parent();
+ if (!p || !p->isHTMLElement()) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+
+ HTMLElement* parent = static_cast<HTMLElement*>(p);
+ RefPtr<DocumentFragment> fragment = parent->createContextualFragment(html);
+ if (!fragment) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+
+ // FIXME: Why doesn't this have code to merge neighboring text nodes the way setOuterText does?
+
+ parent->replaceChild(fragment.release(), this, ec);
+}
+
+void HTMLElement::setInnerText(const String& text, ExceptionCode& ec)
+{
+ // follow the IE specs about when this is allowed
+ if (endTagRequirement() == TagStatusForbidden) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+ if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
+ hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
+ hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
+ hasLocalName(trTag)) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+
+ // FIXME: This doesn't take whitespace collapsing into account at all.
+
+ if (!text.contains('\n') && !text.contains('\r')) {
+ if (text.isEmpty()) {
+ removeChildren();
+ return;
+ }
+ replaceChildrenWithText(this, text, ec);
+ return;
+ }
+
+ // FIXME: Do we need to be able to detect preserveNewline style even when there's no renderer?
+ // FIXME: Can the renderer be out of date here? Do we need to call updateRendering?
+ // For example, for the contents of textarea elements that are display:none?
+ RenderObject* r = renderer();
+ if (r && r->style()->preserveNewline()) {
+ if (!text.contains('\r')) {
+ replaceChildrenWithText(this, text, ec);
+ return;
+ }
+ String textWithConsistentLineBreaks = text;
+ textWithConsistentLineBreaks.replace("\r\n", "\n");
+ textWithConsistentLineBreaks.replace('\r', '\n');
+ replaceChildrenWithText(this, textWithConsistentLineBreaks, ec);
+ return;
+ }
+
+ // Add text nodes and <br> elements.
+ ec = 0;
+ RefPtr<DocumentFragment> fragment = new DocumentFragment(document());
+ int lineStart = 0;
+ UChar prev = 0;
+ int length = text.length();
+ for (int i = 0; i < length; ++i) {
+ UChar c = text[i];
+ if (c == '\n' || c == '\r') {
+ if (i > lineStart) {
+ fragment->appendChild(new Text(document(), text.substring(lineStart, i - lineStart)), ec);
+ if (ec)
+ return;
+ }
+ if (!(c == '\n' && i != 0 && prev == '\r')) {
+ fragment->appendChild(new HTMLBRElement(document()), ec);
+ if (ec)
+ return;
+ }
+ lineStart = i + 1;
+ }
+ prev = c;
+ }
+ if (length > lineStart)
+ fragment->appendChild(new Text(document(), text.substring(lineStart, length - lineStart)), ec);
+ replaceChildrenWithFragment(this, fragment.release(), ec);
+}
+
+void HTMLElement::setOuterText(const String &text, ExceptionCode& ec)
+{
+ // follow the IE specs about when this is allowed
+ if (endTagRequirement() == TagStatusForbidden) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+ if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
+ hasLocalName(headTag) || hasLocalName(htmlTag) || hasLocalName(tableTag) ||
+ hasLocalName(tbodyTag) || hasLocalName(tfootTag) || hasLocalName(theadTag) ||
+ hasLocalName(trTag)) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+
+ Node* parent = parentNode();
+ if (!parent) {
+ ec = NO_MODIFICATION_ALLOWED_ERR;
+ return;
+ }
+
+ // FIXME: This creates a new text node even when the text is empty.
+ // FIXME: This creates a single text node even when the text has CR and LF
+ // characters in it. Instead it should create <br> elements.
+ RefPtr<Text> t = new Text(document(), text);
+ ec = 0;
+ parent->replaceChild(t, this, ec);
+ if (ec)
+ return;
+
+ // is previous node a text node? if so, merge into it
+ Node* prev = t->previousSibling();
+ if (prev && prev->isTextNode()) {
+ Text* textPrev = static_cast<Text*>(prev);
+ textPrev->appendData(t->data(), ec);
+ if (ec)
+ return;
+ t->remove(ec);
+ if (ec)
+ return;
+ t = textPrev;
+ }
+
+ // is next node a text node? if so, merge it in
+ Node* next = t->nextSibling();
+ if (next && next->isTextNode()) {
+ Text* textNext = static_cast<Text*>(next);
+ t->appendData(textNext->data(), ec);
+ if (ec)
+ return;
+ textNext->remove(ec);
+ if (ec)
+ return;
+ }
+}
+
+void HTMLElement::addHTMLAlignment(MappedAttribute* attr)
+{
+ // vertical alignment with respect to the current baseline of the text
+ // right or left means floating images
+ int propfloat = -1;
+ int propvalign = -1;
+ const AtomicString& alignment = attr->value();
+ if (equalIgnoringCase(alignment, "absmiddle")) {
+ propvalign = CSS_VAL_MIDDLE;
+ } else if (equalIgnoringCase(alignment, "absbottom")) {
+ propvalign = CSS_VAL_BOTTOM;
+ } else if (equalIgnoringCase(alignment, "left")) {
+ propfloat = CSS_VAL_LEFT;
+ propvalign = CSS_VAL_TOP;
+ } else if (equalIgnoringCase(alignment, "right")) {
+ propfloat = CSS_VAL_RIGHT;
+ propvalign = CSS_VAL_TOP;
+ } else if (equalIgnoringCase(alignment, "top")) {
+ propvalign = CSS_VAL_TOP;
+ } else if (equalIgnoringCase(alignment, "middle")) {
+ propvalign = CSS_VAL__WEBKIT_BASELINE_MIDDLE;
+ } else if (equalIgnoringCase(alignment, "center")) {
+ propvalign = CSS_VAL_MIDDLE;
+ } else if (equalIgnoringCase(alignment, "bottom")) {
+ propvalign = CSS_VAL_BASELINE;
+ } else if (equalIgnoringCase(alignment, "texttop")) {
+ propvalign = CSS_VAL_TEXT_TOP;
+ }
+
+ if ( propfloat != -1 )
+ addCSSProperty( attr, CSS_PROP_FLOAT, propfloat );
+ if ( propvalign != -1 )
+ addCSSProperty( attr, CSS_PROP_VERTICAL_ALIGN, propvalign );
+}
+
+bool HTMLElement::isFocusable() const
+{
+ return isContentEditable() && parent() && !parent()->isContentEditable();
+}
+
+bool HTMLElement::isContentEditable() const
+{
+ if (document()->frame() && document()->frame()->isContentEditable())
+ return true;
+
+ document()->updateRendering();
+
+ if (!renderer()) {
+ if (parentNode())
+ return parentNode()->isContentEditable();
+ else
+ return false;
+ }
+
+ return renderer()->style()->userModify() == READ_WRITE || renderer()->style()->userModify() == READ_WRITE_PLAINTEXT_ONLY;
+}
+
+bool HTMLElement::isContentRichlyEditable() const
+{
+ if (document()->frame() && document()->frame()->isContentEditable())
+ return true;
+
+ document()->updateRendering();
+
+ if (!renderer()) {
+ if (parentNode())
+ return parentNode()->isContentEditable();
+ else
+ return false;
+ }
+
+ return renderer()->style()->userModify() == READ_WRITE;
+}
+
+String HTMLElement::contentEditable() const
+{
+ document()->updateRendering();
+
+ if (!renderer())
+ return "false";
+
+ switch (renderer()->style()->userModify()) {
+ case READ_WRITE:
+ return "true";
+ case READ_ONLY:
+ return "false";
+ case READ_WRITE_PLAINTEXT_ONLY:
+ return "plaintext-only";
+ default:
+ return "inherit";
+ }
+}
+
+void HTMLElement::setContentEditable(MappedAttribute* attr)
+{
+ const AtomicString& enabled = attr->value();
+ if (enabled.isEmpty() || equalIgnoringCase(enabled, "true")) {
+ addCSSProperty(attr, CSS_PROP__WEBKIT_USER_MODIFY, CSS_VAL_READ_WRITE);
+ addCSSProperty(attr, CSS_PROP_WORD_WRAP, CSS_VAL_BREAK_WORD);
+ addCSSProperty(attr, CSS_PROP__WEBKIT_NBSP_MODE, CSS_VAL_SPACE);
+ addCSSProperty(attr, CSS_PROP__WEBKIT_LINE_BREAK, CSS_VAL_AFTER_WHITE_SPACE);
+ } else if (equalIgnoringCase(enabled, "false")) {
+ addCSSProperty(attr, CSS_PROP__WEBKIT_USER_MODIFY, CSS_VAL_READ_ONLY);
+ attr->decl()->removeProperty(CSS_PROP_WORD_WRAP, false);
+ attr->decl()->removeProperty(CSS_PROP__WEBKIT_NBSP_MODE, false);
+ attr->decl()->removeProperty(CSS_PROP__WEBKIT_LINE_BREAK, false);
+ } else if (equalIgnoringCase(enabled, "inherit")) {
+ addCSSProperty(attr, CSS_PROP__WEBKIT_USER_MODIFY, CSS_VAL_INHERIT);
+ attr->decl()->removeProperty(CSS_PROP_WORD_WRAP, false);
+ attr->decl()->removeProperty(CSS_PROP__WEBKIT_NBSP_MODE, false);
+ attr->decl()->removeProperty(CSS_PROP__WEBKIT_LINE_BREAK, false);
+ } else if (equalIgnoringCase(enabled, "plaintext-only")) {
+ addCSSProperty(attr, CSS_PROP__WEBKIT_USER_MODIFY, CSS_VAL_READ_WRITE_PLAINTEXT_ONLY);
+ addCSSProperty(attr, CSS_PROP_WORD_WRAP, CSS_VAL_BREAK_WORD);
+ addCSSProperty(attr, CSS_PROP__WEBKIT_NBSP_MODE, CSS_VAL_SPACE);
+ addCSSProperty(attr, CSS_PROP__WEBKIT_LINE_BREAK, CSS_VAL_AFTER_WHITE_SPACE);
+ }
+}
+
+void HTMLElement::setContentEditable(const String &enabled)
+{
+ if (enabled == "inherit") {
+ ExceptionCode ec;
+ removeAttribute(contenteditableAttr, ec);
+ }
+ else
+ setAttribute(contenteditableAttr, enabled.isEmpty() ? "true" : enabled);
+}
+
+void HTMLElement::click()
+{
+ dispatchSimulatedClick(0, false, false);
+}
+
+// accessKeyAction is used by the accessibility support code
+// to send events to elements that our JavaScript caller does
+// does not. The elements JS is interested in have subclasses
+// that override this method to direct the click appropriately.
+// Here in the base class, then, we only send the click if
+// the caller wants it to go to any HTMLElement, and we say
+// to send the mouse events in addition to the click.
+void HTMLElement::accessKeyAction(bool sendToAnyElement)
+{
+ if (sendToAnyElement)
+ dispatchSimulatedClick(0, true);
+}
+
+String HTMLElement::toString() const
+{
+ if (!hasChildNodes() && document()->isHTMLDocument()) {
+ String result = openTagStartToString();
+ result += ">";
+
+ if (endTagRequirement() == TagStatusRequired) {
+ result += "</";
+ result += nodeName();
+ result += ">";
+ }
+
+ return result;
+ }
+
+ return Element::toString();
+}
+
+String HTMLElement::id() const
+{
+ return getAttribute(idAttr);
+}
+
+void HTMLElement::setId(const String& value)
+{
+ setAttribute(idAttr, value);
+}
+
+String HTMLElement::title() const
+{
+ return getAttribute(titleAttr);
+}
+
+void HTMLElement::setTitle(const String& value)
+{
+ setAttribute(titleAttr, value);
+}
+
+String HTMLElement::lang() const
+{
+ return getAttribute(langAttr);
+}
+
+void HTMLElement::setLang(const String& value)
+{
+ setAttribute(langAttr, value);
+}
+
+String HTMLElement::dir() const
+{
+ return getAttribute(dirAttr);
+}
+
+void HTMLElement::setDir(const String &value)
+{
+ setAttribute(dirAttr, value);
+}
+
+String HTMLElement::className() const
+{
+ return getAttribute(classAttr);
+}
+
+void HTMLElement::setClassName(const String &value)
+{
+ setAttribute(classAttr, value);
+}
+
+PassRefPtr<HTMLCollection> HTMLElement::children()
+{
+ return new HTMLCollection(this, HTMLCollection::NodeChildren);
+}
+
+// DOM Section 1.1.1
+bool HTMLElement::childAllowed(Node *newChild)
+{
+ if (!Element::childAllowed(newChild))
+ return false;
+
+ // For XML documents, we are non-validating and do not check against a DTD, even for HTML elements.
+ if (!document()->isHTMLDocument())
+ return true;
+
+ // Future-proof for XML content inside HTML documents (we may allow this some day).
+ if (newChild->isElementNode() && !newChild->isHTMLElement())
+ return true;
+
+ // Elements with forbidden tag status can never have children
+ if (endTagRequirement() == TagStatusForbidden)
+ return false;
+
+ // Comment nodes are always allowed.
+ if (newChild->isCommentNode())
+ return true;
+
+ // Now call checkDTD.
+ return checkDTD(newChild);
+}
+
+// DTD Stuff
+// This unfortunate function is only needed when checking against the DTD. Other languages (like SVG) won't need this.
+bool HTMLElement::isRecognizedTagName(const QualifiedName& tagName)
+{
+ static HashSet<AtomicStringImpl*> tagList;
+ if (tagList.isEmpty()) {
+ size_t tagCount = 0;
+ WebCore::QualifiedName** tags = HTMLNames::getHTMLTags(&tagCount);
+ for (size_t i = 0; i < tagCount; i++)
+ tagList.add(tags[i]->localName().impl());
+ }
+ return tagList.contains(tagName.localName().impl());
+}
+
+// The terms inline and block are used here loosely. Don't make the mistake of assuming all inlines or all blocks
+// need to be in these two lists.
+HashSet<AtomicStringImpl*>* inlineTagList()
+{
+ static HashSet<AtomicStringImpl*> tagList;
+ if (tagList.isEmpty()) {
+ tagList.add(ttTag.localName().impl());
+ tagList.add(iTag.localName().impl());
+ tagList.add(bTag.localName().impl());
+ tagList.add(uTag.localName().impl());
+ tagList.add(sTag.localName().impl());
+ tagList.add(strikeTag.localName().impl());
+ tagList.add(bigTag.localName().impl());
+ tagList.add(smallTag.localName().impl());
+ tagList.add(emTag.localName().impl());
+ tagList.add(strongTag.localName().impl());
+ tagList.add(dfnTag.localName().impl());
+ tagList.add(codeTag.localName().impl());
+ tagList.add(sampTag.localName().impl());
+ tagList.add(kbdTag.localName().impl());
+ tagList.add(varTag.localName().impl());
+ tagList.add(citeTag.localName().impl());
+ tagList.add(abbrTag.localName().impl());
+ tagList.add(acronymTag.localName().impl());
+ tagList.add(aTag.localName().impl());
+ tagList.add(canvasTag.localName().impl());
+ tagList.add(imgTag.localName().impl());
+ tagList.add(appletTag.localName().impl());
+ tagList.add(objectTag.localName().impl());
+ tagList.add(embedTag.localName().impl());
+ tagList.add(fontTag.localName().impl());
+ tagList.add(basefontTag.localName().impl());
+ tagList.add(brTag.localName().impl());
+ tagList.add(scriptTag.localName().impl());
+ tagList.add(mapTag.localName().impl());
+ tagList.add(qTag.localName().impl());
+ tagList.add(subTag.localName().impl());
+ tagList.add(supTag.localName().impl());
+ tagList.add(spanTag.localName().impl());
+ tagList.add(bdoTag.localName().impl());
+ tagList.add(iframeTag.localName().impl());
+ tagList.add(inputTag.localName().impl());
+ tagList.add(keygenTag.localName().impl());
+ tagList.add(selectTag.localName().impl());
+ tagList.add(textareaTag.localName().impl());
+ tagList.add(labelTag.localName().impl());
+ tagList.add(buttonTag.localName().impl());
+ tagList.add(insTag.localName().impl());
+ tagList.add(delTag.localName().impl());
+ tagList.add(nobrTag.localName().impl());
+ tagList.add(wbrTag.localName().impl());
+#if PLATFORM(SYMBIAN)
+ tagList.add(bgsoundTag.localName().impl());
+#endif
+ }
+ return &tagList;
+}
+
+HashSet<AtomicStringImpl*>* blockTagList()
+{
+ static HashSet<AtomicStringImpl*> tagList;
+ if (tagList.isEmpty()) {
+ tagList.add(addressTag.localName().impl());
+ tagList.add(blockquoteTag.localName().impl());
+ tagList.add(centerTag.localName().impl());
+ tagList.add(ddTag.localName().impl());
+ tagList.add(dirTag.localName().impl());
+ tagList.add(divTag.localName().impl());
+ tagList.add(dlTag.localName().impl());
+ tagList.add(dtTag.localName().impl());
+ tagList.add(fieldsetTag.localName().impl());
+ tagList.add(formTag.localName().impl());
+ tagList.add(h1Tag.localName().impl());
+ tagList.add(h2Tag.localName().impl());
+ tagList.add(h3Tag.localName().impl());
+ tagList.add(h4Tag.localName().impl());
+ tagList.add(h5Tag.localName().impl());
+ tagList.add(h6Tag.localName().impl());
+ tagList.add(hrTag.localName().impl());
+ tagList.add(isindexTag.localName().impl());
+ tagList.add(layerTag.localName().impl());
+ tagList.add(liTag.localName().impl());
+ tagList.add(listingTag.localName().impl());
+ tagList.add(marqueeTag.localName().impl());
+ tagList.add(menuTag.localName().impl());
+ tagList.add(noembedTag.localName().impl());
+ tagList.add(noframesTag.localName().impl());
+ tagList.add(nolayerTag.localName().impl());
+ tagList.add(noscriptTag.localName().impl());
+ tagList.add(olTag.localName().impl());
+ tagList.add(pTag.localName().impl());
+ tagList.add(plaintextTag.localName().impl());
+ tagList.add(preTag.localName().impl());
+ tagList.add(tableTag.localName().impl());
+ tagList.add(ulTag.localName().impl());
+ tagList.add(xmpTag.localName().impl());
+ }
+ return &tagList;
+}
+
+bool HTMLElement::inEitherTagList(const Node* newChild)
+{
+ if (newChild->isTextNode())
+ return true;
+
+ if (newChild->isHTMLElement()) {
+ const HTMLElement* child = static_cast<const HTMLElement*>(newChild);
+ if (inlineTagList()->contains(child->tagQName().localName().impl()))
+ return true;
+ if (blockTagList()->contains(child->tagQName().localName().impl()))
+ return true;
+ return !isRecognizedTagName(child->tagQName()); // Accept custom html tags
+ }
+
+ return false;
+}
+
+bool HTMLElement::inInlineTagList(const Node* newChild)
+{
+ if (newChild->isTextNode())
+ return true;
+
+ if (newChild->isHTMLElement()) {
+ const HTMLElement* child = static_cast<const HTMLElement*>(newChild);
+ if (inlineTagList()->contains(child->tagQName().localName().impl()))
+ return true;
+ return !isRecognizedTagName(child->tagQName()); // Accept custom html tags
+ }
+
+ return false;
+}
+
+bool HTMLElement::inBlockTagList(const Node* newChild)
+{
+ if (newChild->isTextNode())
+ return true;
+
+ if (newChild->isHTMLElement()) {
+ const HTMLElement* child = static_cast<const HTMLElement*>(newChild);
+ return (blockTagList()->contains(child->tagQName().localName().impl()));
+ }
+
+ return false;
+}
+
+bool HTMLElement::checkDTD(const Node* newChild)
+{
+ if (hasLocalName(addressTag) && newChild->hasTagName(pTag))
+ return true;
+ return inEitherTagList(newChild);
+}
+
+void HTMLElement::setHTMLEventListener(const AtomicString& eventType, Attribute* attr)
+{
+ Element::setHTMLEventListener(eventType,
+ document()->createHTMLEventListener(attr->localName().domString(), attr->value(), this));
+}
+
+bool HTMLElement::rendererIsNeeded(RenderStyle *style)
+{
+ if (hasLocalName(noscriptTag)) {
+ Settings* settings = document()->settings();
+ if (settings && settings->isJavaScriptEnabled())
+ return false;
+ }
+ return (document()->documentElement() == this) || (style->display() != NONE);
+}
+
+RenderObject* HTMLElement::createRenderer(RenderArena* arena, RenderStyle* style)
+{
+ if (hasLocalName(wbrTag))
+ return new (arena) RenderWordBreak(this);
+ return RenderObject::createObject(this, style);
+}
+
+HTMLFormElement* HTMLElement::findFormAncestor() const
+{
+ for (Node* ancestor = parentNode(); ancestor; ancestor = ancestor->parentNode())
+ if (ancestor->hasTagName(formTag))
+ return static_cast<HTMLFormElement*>(ancestor);
+ return 0;
+}
+
+HTMLFormElement* HTMLElement::virtualForm() const
+{
+ return findFormAncestor();
+}
+
+} // namespace WebCore
+
+#ifndef NDEBUG
+void dumpInnerHTML(WebCore::HTMLElement* element)
+{
+ printf("%s\n", element->innerHTML().ascii().data());
+}
+#endif